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Luden [163]
3 years ago
12

Please help, I don't understand how to do it

Mathematics
1 answer:
Rasek [7]3 years ago
5 0
Split the composite figure in two
a rectangular prism and a isosceles triangular prism
when u have the figures separated use the formulas for the each

rectangular prism formula- A=2(wl+hl+hw)

isosceles triangular prism formula- a= 2b+ph

add both surface areas to get the answer

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